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274b045509
linux/drivers/net
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Chas Williams 274b045509 net/xen-netfront: only napi_synchronize() if running 
If an interface isn't running napi_synchronize() will hang forever.

[  392.248403] rmmod           R  running task        0   359    343 0x00000000
[  392.257671]  ffff88003760fc88 ffff880037193b40 ffff880037193160 ffff88003760fc88
[  392.267644]  ffff880037610000 ffff88003760fcd8 0000000100014c22 ffffffff81f75c40
[  392.277524]  0000000000bc7010 ffff88003760fca8 ffffffff81796927 ffffffff81f75c40
[  392.287323] Call Trace:
[  392.291599]  [<ffffffff81796927>] schedule+0x37/0x90
[  392.298553]  [<ffffffff8179985b>] schedule_timeout+0x14b/0x280
[  392.306421]  [<ffffffff810f91b9>] ? irq_free_descs+0x69/0x80
[  392.314006]  [<ffffffff811084d0>] ? internal_add_timer+0xb0/0xb0
[  392.322125]  [<ffffffff81109d07>] msleep+0x37/0x50
[  392.329037]  [<ffffffffa00ec79a>] xennet_disconnect_backend.isra.24+0xda/0x390 [xen_netfront]
[  392.339658]  [<ffffffffa00ecadc>] xennet_remove+0x2c/0x80 [xen_netfront]
[  392.348516]  [<ffffffff81481c69>] xenbus_dev_remove+0x59/0xc0
[  392.356257]  [<ffffffff814e7217>] __device_release_driver+0x87/0x120
[  392.364645]  [<ffffffff814e7cf8>] driver_detach+0xb8/0xc0
[  392.371989]  [<ffffffff814e6e69>] bus_remove_driver+0x59/0xe0
[  392.379883]  [<ffffffff814e84f0>] driver_unregister+0x30/0x70
[  392.387495]  [<ffffffff814814b2>] xenbus_unregister_driver+0x12/0x20
[  392.395908]  [<ffffffffa00ed89b>] netif_exit+0x10/0x775 [xen_netfront]
[  392.404877]  [<ffffffff81124e08>] SyS_delete_module+0x1d8/0x230
[  392.412804]  [<ffffffff8179a8ee>] system_call_fastpath+0x12/0x71

Signed-off-by: Chas Williams <3chas3@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-28 13:29:19 -07:00
..
appletalk
arcnet drivers/net: remove all references to obsolete Ethernet-HOWTO 2015-06-23 06:50:35 -07:00
bonding net: bonding: convert to using IFF_NO_QUEUE 2015-08-18 11:55:06 -07:00
caif net: caif: convert to using IFF_NO_QUEUE 2015-08-18 11:55:07 -07:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-08-27 21:45:31 -07:00
cris
dsa net: dsa: mv88e6xxx: set 802.1Q mode to Fallback 2015-08-23 15:54:26 -07:00
ethernet r8169: Add software counter for multicast packages 2015-08-28 13:22:50 -07:00
fddi net/fddi: remove HWM_REVERSE() macro 2015-08-13 21:12:17 -07:00
fjes fjes: ethtool support 2015-08-24 14:06:37 -07:00
hamradio mkiss: Fix error handling in mkiss_open() 2015-08-10 21:10:31 -07:00
hippi
hyperv hv_netvsc: Fix dereference of nvdev before check 2015-08-18 20:15:01 -07:00
ieee802154 cc2520: set the default fifo pin value from platform data 2015-08-11 06:13:39 +02:00
ipvlan net: ipvlan: convert to using IFF_NO_QUEUE 2015-08-18 11:55:06 -07:00
irda irda: irda-usb: use msecs_to_jiffies for conversions 2015-05-25 17:39:21 -04:00
phy Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-08-27 21:45:31 -07:00
plip
ppp ppp: implement x-netns support 2015-08-25 14:11:20 -07:00
slip
team net: team: convert to using IFF_NO_QUEUE 2015-08-18 11:55:05 -07:00
usb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-08-27 21:45:31 -07:00
vmxnet3 vmxnet3: prevent receive getting out of sequence on napi poll 2015-07-08 23:36:11 -07:00
wan net: caif: convert to using IFF_NO_QUEUE 2015-08-18 11:55:07 -07:00
wimax
wireless Merge ath-next from ath.git 2015-08-26 12:40:23 +03:00
xen-netback Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-08-13 16:23:11 -07:00
dummy.c net: dummy: convert to using IFF_NO_QUEUE 2015-08-18 11:55:05 -07:00
eql.c
geneve.c geneve: Move device hash table to geneve socket. 2015-08-27 15:42:48 -07:00
ifb.c ifb: add multiqueue operation 2015-07-08 16:00:09 -07:00
Kconfig geneve: Consolidate Geneve functionality in single module. 2015-08-27 15:42:48 -07:00
LICENSE.SRC
loopback.c net: loopback: convert to using IFF_NO_QUEUE 2015-08-18 11:55:05 -07:00
macvlan.c macvlan: Don't segment multiple tagged packets on macvlan device 2015-08-03 14:24:49 -07:00
macvtap.c macvtap: fix network header pointer for VLAN tagged pkts 2015-07-27 14:49:54 -07:00
Makefile fjes: Introduce FUJITSU Extended Socket Network Device driver 2015-08-24 14:06:33 -07:00
mdio.c
mii.c
netconsole.c netconsole: implement extended console support 2015-06-25 17:00:39 -07:00
nlmon.c net: nlmon: convert to using IFF_NO_QUEUE 2015-08-18 11:55:05 -07:00
ntb_netdev.c NTB: ntb_netdev not covering all receive errors 2015-08-09 16:32:21 -04:00
rionet.c
sb1000.c
Space.c
sungem_phy.c
tun.c tuntap: Don't segment multiple tagged packets on tap device 2015-08-03 14:24:50 -07:00
veth.c net: veth: enable noqueue operation by default 2015-08-18 11:55:04 -07:00
virtio_net.c virtio-net: avoid unnecessary sg initialzation 2015-08-27 15:51:45 -07:00
vrf.c route: move lwtunnel state to dst_entry 2015-08-20 15:42:36 -07:00
vxlan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-08-27 21:45:31 -07:00
xen-netfront.c net/xen-netfront: only napi_synchronize() if running 2015-08-28 13:29:19 -07:00